2019-08-13动画

重复左右移动

UIView * testView = [[UIView alloc] initWithFrame:CGRectMake(20.0f, 100.0f, 300.0f, 200.0f)];
[testView setBackgroundColor:[UIColor blueColor]];
[self.view addSubview:testView];

[UIView animateWithDuration:0.3f
                      delay:0.0f
                    options:UIViewAnimationOptionRepeat | UIViewAnimationOptionAutoreverse
                 animations:^{
                     [testView setFrame:CGRectMake(0.0f, 100.0f, 300.0f, 200.0f)];
                 }
                 completion:nil];

呼吸动画

-(CABasicAnimation *) AlphaLight:(float)time
{
    CABasicAnimation *animation =[CABasicAnimation animationWithKeyPath:@"transform.scale"];
    animation.fromValue = [NSNumber numberWithFloat:0.99f];
    animation.toValue = [NSNumber numberWithFloat:1.09f];//这是透明度。
    animation.autoreverses = YES;
    animation.duration = time;//动画循环的时间，也就是呼吸灯效果的速度
    animation.repeatCount = MAXFLOAT;
    animation.removedOnCompletion = NO;
    animation.fillMode = kCAFillModeForwards;
    animation.timingFunction=[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn];
    
    return animation;
}